Home / 645,192.72-967,726.50-195,917.48

Finding the Fourth Proportional to 645,192.72, 967,726.50 and 195,917.48

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Solution

The fourth proportional to 645,192.72, 967,726.50 and 195,917.48 is: 293,857.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    645,192.72 : 967,726.50 = 195,917.48 : x
  2. Step 2: Convert to fraction form
    645,192.72/967,726.50 = 195,917.48/x
  3. Step 3: Cross multiply
    645,192.72x = 967,726.50 × 195,917.48
  4. Step 4: Simplify right side
    645,192.72x = 189,594,537,209.22
  5. Step 5: Solve for x
    x = 189,594,537,209.22/645,192.72
  6. Step 6: Final answer
    x = 293,857.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.